Lin Beixing, an ordinary girl, has experienced an extraordinary journey.In her life, there is one person who has always existed, and that is Zhang Wansen.

Zhang Wansen is an affectionate boy. Every regret he has is deeply imprinted in Lin Beixing's heart.She traveled through time and space again and again, going back to the past, trying to change those heart-wrenching moments.She hoped that she could make up for his regret and do something for him.

However, every attempt and every effort seems to be ridiculed by the wheel of fate.No matter how she changes or how hard she works, the pain of the past will always remain.Lin Beixing gradually understood that some things cannot be changed.

She began to wonder, was her existence itself a mistake?Did her intervention make things worse?She began to deliberately avoid Zhang Wansen, trying to stay away from this man who made her heartache.

However, when Lin Beixing was in danger, Zhang Wansen always stood by her side, using his body to block all wind and rain.He told her that no matter what happened, he would protect her.Even in the face of life and death, his eyes never left her.

Such emotional entanglement made Lin Beixing realize that Zhang Wansen's feelings were so firm and deep.Even in the face of regret and pain, their feelings never changed.

In the finale, Lin Beixing traveled through time and space again and returned to the past that belonged to her and Zhang Wansen.She saw the overlooked details, the things Zhang Wansen had done for her.She realized that Zhang Wansen's love had always been there, but she had never noticed it.

However, no matter how hard she tried, tragedy still happened.Zhang Wansen did not hesitate to sacrifice himself in order to protect her.At that moment, Lin Beixing's world completely collapsed.

At the end of the play, Lin Beixing returned to reality.She looked at the rabbit headband in her hand and burst into tears.She knew she could never go back.However, those beautiful memories and Zhang Wansen's love will always accompany her.